gunner/rebar.config

%% Common project erlang options.
{erl_opts, [

    % mandatory
    debug_info,
    warnings_as_errors,
    warn_export_all,
    warn_missing_spec,
    warn_untyped_record,
    warn_export_vars,

    % by default
    warn_unused_record,
    warn_bif_clash,
    warn_obsolete_guard,
    warn_unused_vars,
    warn_shadow_vars,
    warn_unused_import,
    warn_unused_function,
    warn_deprecated_function

    % at will
    % bin_opt_info
    % no_auto_import
    % warn_missing_spec_all
]}.

%% Common project dependencies.
{deps, [
    {gun,
        {git, "https://github.com/ninenines/gun.git",
            {branch, "master"}
        }},
    {genlib,
        {git, "https://github.com/rbkmoney/genlib.git",
            {branch, "master"}
        }
    }
]}.

%% Helpful plugins.
{plugins, [
    {rebar3_lint, "0.2.0"},
    {erlfmt, "0.7.0"},
    {rebar3_bench, "0.2.1"}
]}.

%% Linter config.
{elvis, [
    #{
        dirs => ["src"],
        filter => "*.erl",
        ruleset => erl_files,
        ignore => [gunner_gun_event_handler], %% god_modules
        rules => [
            {elvis_style, line_length, #{limit => 120, skip_comments => false}},
            {elvis_style, no_tabs},
            {elvis_style, no_trailing_whitespace}
        ]
    },
    #{
        dirs => ["test"],
        filter => "*.erl",
        ruleset => erl_files,
        rules => [
            {elvis_style, line_length, #{limit => 120, skip_comments => false}},
            % We want to use `ct:pal/2` and friends in test code.
            {elvis_style, no_debug_call, disable},
            % Tests are usually more comprehensible when a bit more verbose.
            {elvis_style, dont_repeat_yourself, #{min_complexity => 60}},
            {elvis_style, nesting_level, #{ level => 6 }}
        ]
    },
    #{
        dirs => ["."],
        filter => "Makefile",
        ruleset => makefiles
    },
    #{
        dirs => ["."],
        filter => "rebar.config",
        rules => [
            {elvis_style, line_length, #{limit => 120, skip_comments => false}},
            {elvis_style, no_tabs},
            {elvis_style, no_trailing_whitespace}
        ]
    },
    #{
        dirs => ["src"],
        filter => "*.app.src",
        rules => [
            {elvis_style, line_length, #{limit => 120, skip_comments => false}},
            {elvis_style, no_tabs},
            {elvis_style, no_trailing_whitespace}
        ]
    }
]}.

{elvis_output_format, colors}.

%% XRef checks
{xref_checks, [
    undefined_function_calls,
    undefined_functions,
    deprecated_functions_calls,
    deprecated_functions
]}.
% at will
% {xref_warnings, true}.

%% Tests
{cover_enabled, true}.

%% Dialyzer static analyzing
{dialyzer, [
    {warnings, [
        % mandatory
        unmatched_returns,
        error_handling,
        race_conditions,
        unknown
    ]},
    {plt_apps, all_deps}
]}.

{shell, [{apps, [gunner]}]}.

{profiles, [
    {prod, []},
    {test, [
        {cover_enabled, true},
        {deps, [
            {cowboy, "2.8.0"},
            {ponos,
                {git, "https://github.com/klarna/ponos.git",
                    {tag, "1.5.0"}
                }
            }
        ]}
    ]}
]}.

{erlfmt, [
    {print_width, 120},
    {files, "{src,test}/*.{hrl,erl}"}
]}.